Radiation Protection Document Library

Radiation Basics

Dose Calculator

Use the Radiation Dose Calculator to estimate your yearly dosedoseDose is defined as the amount of radiation or energy absorbed by a person's body. from sources of ionizing radiationionizing radiationRadiation with so much energy it can knock electrons out of atoms. Ionizing radiation can affect the atoms in living things, so it poses a health risk by damaging tissue and DNA in genes..

EPA protects human health and the environment from unnecessary exposure to radiation by setting protective limits, providing technical advice, and preparing for and responding to radiological emergencies.